80878168

素因数分解:

$2^3\times 7^1\times {\mathrm{113}}^1\times {\mathrm{12781}}^1$

素因数の和:12907

約数の個数: 32

約数和(自身を含む): 174857760

約数和(自身を除く): 93979592

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 113, 226, 452, 791, 904, 1582, 3164, 6328, 12781, 25562, 51124, 89467, 102248, 178934, 357868, 715736, 1444253, 2888506, 5777012, 10109771, 11554024, 20219542, 40439084, 80878168]

約数ペア:

[(1, 80878168), (2, 40439084), (4, 20219542), (7, 11554024), (8, 10109771), (14, 5777012), (28, 2888506), (56, 1444253), (113, 715736), (226, 357868), (452, 178934), (791, 102248), (904, 89467), (1582, 51124), (3164, 25562), (6328, 12781)]